Problem: As opposed to athletes. the cardiovascular strain of referees during a competition is neither systematically explored nor included in their cardiovascular screening programs. Methods: Twenty-one referees from the two upper Luxemburgish football divisions were monitored during and after a match with an ambulatory Holter electrocardiogram. The results were compared to a sports ... https://fitnessgravesyardes.shop/product-category/feutre-synthetic/